This is because they are based mostly on individuals who have obtained a formal medical prognosis of diabetes However, Australian studies have proven that many people have undiagnosed diabetes For instance, half of the participants in the 1999 2000 AusDiab Study had check results indicating undiagnosed diabetes prior to taking part within the research Dunstan et al 2001 In the newer 2011 12 ABS Australian Health Survey, which collected blood glucose knowledge, 20 of collaborating adults aged 18 and over had undiagnosed diabetes previous to the survey Further research is required to look at whether or not the proportion of people with undiagnosed diabetes in Australia has decreased over time and the influence of this on the prevalence of illness in Australia buy cialis online india